//<![CDATA[
function blockLinks(parentID, children) {
    var parent = document.getElementById(parentID),
        content = parent.getElementsByTagName(children);
    for(var i = 0; i < content.length; i++) {
        if(content[i].innerHTML.indexOf('</a>') !== -1) {
            content[i].innerHTML = "Maaf <span style='background-color: red; color: white; padding: 3px;'><b>LINK ANDA</b></span> tidak akan tampil di sini!";
            content[i].className = "spammer-detected";
        }
    }
}
blockLinks('comment_block', 'p');
//]]>